Aroma diffuser



FIG. 1 is a perspective view of the design for an aroma diffuser;

FIG. 2 is a front view of the design;

FIG. 3 is a rear view of the design;

FIG. 4 is a left side view of the design;

FIG. 5 is a right side view of the design;

FIG. 6 is a top view of the design;

FIG. 7 is a bottom view of the design;

FIG. 8 is a perspective view showing the practical usage thereof; and,

FIG. 9 is a perspective view showing the practical usage thereof.

The broken line showing of vanilla or petals and water line in FIG. 8and FIG. 9 are for illustrative purposes only and forms no part of theclaimed design.

The ornamental design for an aroma diffuser, as shown.